Philadelphia, city and port, coextensive with Philadelphia county, southeastern Pennsylvania, U.S. It is situated at the confluence of the Delaware and Schuylkill rivers. Area 135 square miles (350 square km). Pop. (2000) 1,517,550; Philadelphia Metro Division, 3,849,647; Philadelphia-Camden-Wilmington Metro Area, 5,687,147; (2010) 1,526,006; Philadelphia Metro Division, 4,008,994; Philadelphia-Camden-Wilmington Metro Area, 5,965,343.... (52 of 6,801 words)
